Mortal Kombat 9 (2011) was never officially released for the PlayStation Portable (PSP). However, the thriving modding community has created high-quality "Mortal Kombat 9 Mods" for the original PSP title, .
If you are looking for "highly compressed" files to save space, you can compress a standard PSP .iso file into a (Compressed ISO) format using tools like PSP ISO Compressor . This reduces the file size without needing to download potentially unsafe files from unofficial sites. Mortal Kombat 9 Ppsspp Iso File Download Highly Compressed
Search for instead - it's the real, playable PSP Mortal Kombat game with great emulation performance. Mortal Kombat 9 (2011) was never officially released